Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,C:\Documents and Settings\%USERNAME%\Application Data\Zero.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '' = 'C:\Documents and Settings\%USERNAME%\Application Data\Zero.exe'
Malicious functions:
Creates and executes the following:
- 'C:\Documents and Settings\%USERNAME%\Application Data\Zero.exe'
Modifies file system :
Creates the following files:
- C:\Documents and Settings\%USERNAME%\Application Data\Zero.exe
Sets the 'hidden' attribute to the following files:
- C:\Documents and Settings\%USERNAME%\Application Data\Zero.exe
Network activity:
Connects to:
- 'mo######2000322.linkpc.net':1111
UDP:
- DNS ASK mo######2000322.linkpc.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''
